View Javadoc

1   /*
2    * Copyright 2010 The Apache Software Foundation
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *     http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing, software
15   * distributed under the License is distributed on an "AS IS" BASIS,
16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17   * See the License for the specific language governing permissions and
18   * limitations under the License.
19   */
20  package org.apache.hadoop.hbase.util;
21  
22  /**
23   * An environment edge that uses a manually set value. This is useful for testing events that are supposed to
24   * happen in the same millisecond.
25   */
26  public class ManualEnvironmentEdge implements EnvironmentEdge {
27  
28    // Sometimes 0 ts might have a special value, so lets start with 1
29    protected long value = 1L;
30  
31    public void setValue(long newValue) {
32      value = newValue;
33    }
34  
35    public void incValue(long addedValue) {
36      value += addedValue;
37    }
38  
39    @Override
40    public long currentTimeMillis() {
41      return this.value;
42    }
43  }